Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/5/2017
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 05/08/2017 02:55:58 68.38, 134.58 51.15 05/08/2017 02:56:54 68.38, 134.60 51.15 1.07 56
2 05/08/2017 03:46:39 -68.24, -57.92 129.00 05/08/2017 03:46:25 -68.22, -57.96 129.02 2.46 14
3 05/08/2017 04:37:11 67.47, 110.34 50.22 05/08/2017 04:36:02 67.55, 108.91 50.30 61.67 69
4 05/10/2017 19:12:52 68.30,-109.55 50.36 05/10/2017 19:13:24 68.30,-109.61 50.36 2.72 32
5 05/10/2017 20:03:34 -68.21, 57.88 129.74 05/10/2017 20:02:54 -68.20, 57.90 129.75 1.56 40
6 05/13/2017 10:39:09 -68.77,-161.71 129.83 05/13/2017 10:40:20 -68.66,-160.94 129.95 33.30 71
7 05/13/2017 11:29:46 68.28, 6.26 49.67 05/13/2017 11:29:52 68.26, 6.22 49.65 2.38 6
8 05/13/2017 12:20:27 -68.14, 173.75 130.49 05/13/2017 12:19:22 -68.16, 173.73 130.46 2.87 65
9 05/16/2017 02:55:57 -68.38, -45.41 130.86 05/16/2017 02:56:53 -68.37, -45.41 130.87 0.21 56
10 05/16/2017 03:46:41 68.25, 122.05 49.01 05/16/2017 03:46:20 68.25, 122.09 49.01 1.63 21
11 05/16/2017 04:37:11 -67.52, -69.72 131.74 05/16/2017 04:36:01 -67.54, -71.10 131.72 58.81 70
12 05/18/2017 18:22:29 69.46, -98.44 49.65 05/18/2017 18:23:35 69.34, -95.94 49.51 98.82 66
13 05/18/2017 19:12:52 -68.35, 70.39 131.48 05/18/2017 19:13:21 -68.35, 70.45 131.49 2.58 29
14 05/18/2017 20:03:35 68.18,-122.08 48.34 05/18/2017 20:02:49 68.17,-122.12 48.33 2.18 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/5/2017
SNOs_Map_NPP_TERRA_20170506.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/05/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service